Comparison

Compresto vs ImageOptim

ImageOptim is the beloved free Mac tool for lossless image optimization. Compresto extends beyond images to cover video and PDF compression, with both lossless and lossy options.

Feature Comparison

FeatureComprestoImageOptim
PlatformmacOS onlymacOS only
Video compression
Image compression
PDF compression
Batch processing
Hardware acceleration
Drag & drop
Price modelOne-time purchase / free tierFree & open-source

Compresto Strengths

  • Video and PDF compression in addition to images
  • Lossy compression options for larger size reductions
  • Hardware-accelerated processing for faster results
  • One app for all file types reduces workflow complexity

ImageOptim Strengths

  • Completely free with no limitations
  • Lossless optimization preserves perfect image quality
  • Trusted by developers for years with proven reliability

Choose Compresto when...

  • You need video compression alongside images in one workflow
  • You want lossy compression options for maximum size reduction
  • You compress PDFs and want to avoid installing multiple apps
  • You want hardware-accelerated processing for large batches

Choose ImageOptim when...

  • You only compress images and want a completely free tool
  • You need strictly lossless compression with zero quality change
  • You are optimizing images for web and prefer a proven open-source tool

Pricing

Compresto

One-time purchase $19.99 or free tier with limits

ImageOptim

Free and open-source

Switching from ImageOptim?

If you use ImageOptim for images but have to find separate tools for video or PDF, Compresto consolidates everything. Keep ImageOptim for any strictly lossless image tasks.

Frequently Asked Questions

Is ImageOptim better than Compresto for image compression?
For lossless image-only optimization, ImageOptim is excellent and free. For a broader workflow that includes video, images, and PDFs with both lossless and lossy options, Compresto is more versatile.
Can Compresto do lossless image compression like ImageOptim?
Yes, Compresto supports quality settings that minimize visual loss. ImageOptim specializes in strictly lossless optimization which may suit pixel-perfect requirements better.
Does ImageOptim support videos?
No. ImageOptim only processes images. Compresto handles video (MP4, MOV), images, and PDFs.
Which is faster for batch image compression?
Both support batch drag-and-drop. Compresto adds hardware acceleration which can speed up large batches significantly compared to ImageOptim's software-based optimization.
What image formats does Compresto support vs ImageOptim?
Compresto supports PNG, JPEG, GIF, SVG, and TIFF. ImageOptim supports PNG, JPEG, GIF, and SVG with a broader set of lossless optimizers per format.
Join thousands of users who compress smarter with Compresto.

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